The main volatile chemical components of RPR are(Z, Z)-9,12-octadecadienoic acid, n-hexadecanoic acid and 2-hydroxy-benzaldehyde.
赤芍主要挥发成分为(Z, Z)-9, 12-十八碳二烯酸,正十六碳酸和2-羟基苯甲醛。
If skin is normal to dry, look for moisturizers containing alpha hydroxy acids.
如果皮肤是中性到干性的,你要找一找包含AHA果酸的润肤霜。
They contain one or more functional group such as amide, hydroxy, or carboxy.
它们含有一个或多个功能团如:氨基、羟基、羧基。
Study on Flavonoids Extraction and Function of Scavenging Hydroxy Free Radical from Lespeda. Dunnii.
春花胡枝子黄酮类化合物的提取及清除羟自由基作用的研究。
That is, the biological efficacy of liquid methionine hydroxy analogue is only 65% in pig.
因此,液体蛋氨酸羟基类似物对猪的生物学效价只有65%。
Objective: to explore the effect of hydroxy camptothecin on colorectal carcinoma cells in vitro.
目的探讨羟基喜树碱对肠癌细胞的体外作用。
The flavonoids extract can scavenge Oxygen and Hydroxy free radicals, and can stop the oxidation of the lard effectively.
隐囊蕨的黄酮提取液对羟自由基、超氧自由基有良好清除作用,并能有效阻断猪油的氧化。
The temperature reduction was shown to be an effective method for the most active C 6 hydroxy mono protection.
研究发现,降低温度是对蔗糖C6位最活泼羟基进行单一选择性保护的有效方法。
Method: the oxygen free radicals generation system in vitro and mouse liver homogenate lipid peroxidation reaction induced by hydroxy free radicals were used to estimate the effects.
方法:采用体外氧自由基生成系统和羟自由基诱导的小鼠肝匀浆脂质过氧化反应,评价炮制对桂枝抗氧化作用的影响。
Objective:To study the effect of Hydroxy Ethyl Starch in the prevention of polyuria induced by diabetic acute dysmetabolic syndrome treated with gastrointestinal fluid replacement.
目的:观察羟乙基淀粉预防胃肠内补液治疗糖尿病急性代谢紊乱综合征伴发多尿的疗效和不良反应。
A new technology to produce hydroxy ethyl ethylene diamine using ethylene oxide is introduced in this paper. Its properties and application fields are also listed.
本文介绍了一种用环氧乙烷生产羟已基乙二胺的新技术,列举了羟乙基乙二胺的性能及应用范围。
We select the acetoxy group to protect the hydroxy group from a great number of the protection methods for the hydroxy group.
在众多的羟基保护方法中,选择了乙酰氧基对其进行了保护。
Hydroxy in dihydromyricetin (DMY) was esterified with lauroyl chloride and dihydromyricetin laurate (DMYL) was synthesized in this investigation.
用月桂酰氯对二氢杨梅素的羟基进行酯化,合成了二氢杨梅素月桂酸酯。
Low concentration saponins solution can eliminate hydroxy and oxygen free radicel, the effect of eliminating free radicel submits positive pertinence with saponins concentration.
皂甙溶液在较低浓度时对羟基自由基与氧自由基就有一定的清除作用,自由基的清除效果与皂甙的浓度呈显著正相关性。
The moisture cured polyurethane was synthesized with mixing polyether diol, toluene diisocyanate (TDI) as main raw materials, epoxy resin and hydroxy acrylic resin as modifiers.
以混合聚醚多元醇、甲苯二异氰酸酯为主要原料,环氧树脂、羟基丙烯酸树脂为改性剂合成了湿固化聚氨酯涂饰剂。
GC MS analysis showed that the main metabolite of quinoline biodegradation is 2 hydroxy quinoline.
利用GCMS技术分析了喹啉降解过程,其主要的中间产物为2羟基喹啉。
Hydroxy vegetable oil fatty acids are a kind of potential antiwear and extreme pressure (EP) agents.
羟基植物油脂肪酸是一类潜在的抗磨极压剂。
The high solid content hydroxy acrylic resins were modified by microgels.
利用制备的微凝胶对高固体份羟基丙烯酸树脂进行了改性。
A new reagent 1 (8 Aminoquinoline 5 azo) 8 hydroxy 3,6 naphthalenedisulfonic acid(AQHNA) was synthesized. The product was confirmed by elemental analysis and infrared spectra.
合成了1 (8氨基喹啉5偶氮) 8羟基3 ,6萘二磺酸(AQHNA) ,其结构经红外光谱和元素分析证实。
Tetraacetyl glucosyl ester of 1 hydroxy 2 naphthoic acid was synthesized by PTC method and confirmed by IR, 1HNMR, MS and elemental analysis.
采用相转移催化法合成了1羟基2萘甲酸四乙酰葡萄糖酯,并进行了IR、1HNMR、MS和元素分析,证明了其结构。
The quaternary ammonium salt and hydroxy ethyl cellulose were contained in a special organic chemical wastewater.
某厂特种有机废水,含季铵盐和羟乙基纤维素。
To investigate the long term results of the particulate hydroxy apatite (HA) artificial bone in augmentation rhinoplasty, 50 patients were followed up for 8 years after the operation.
为探讨羟基磷灰石(简称HA)微粒人工骨作为隆鼻术移植材料的远期效果,对HA 人工骨植入隆鼻的50例受术者进行8年随访观察。
Using the new method, 2 hydroxy 3 cyanmethyl 5 methyl acetophenone was synthesized in a short reaction period, and the yield was good.
采用新方法合成了鲜见文献报道的新化合物2 -羟基-3-氰甲基-5 -甲基苯乙酮。该方法具有反应时间短、操作简便、收率好等优点。
As to alcohols containing the same number of carbon atoms in the molecules, their conversion will decrease as the number of hydroxy increases.
碳原子数目相同的醇,转化率随所含羟基数目的增加而下降。
The composition of wall materials and the technology of spray -drying for the butylated hydroxy toluene (BHT) microencapsulation were studied.
研究了喷雾干燥法制备高包埋率微胶囊化二丁基羟基甲苯(BHT)的壁材组成及工艺条件。
High strength silicone rubber compounds were prepared using vinyl-terminated silicone rubber, fumed silica and hydroxy siloxane by intensive mixing method in Z blade mixer.
采用Z桨捏合机,将端乙烯基硅橡胶、气相法白炭黑及羟基硅氧烷进行混炼,制备了高强度硅橡胶混炼胶。
The deactivation of hydrogenation catalyst of 3 - hydroxy propionic aldehyde was studied.
对3-羟基丙醛加氢催化剂的失活原因进行了研究。
The self - cross linking adhesive for paper - Al foil composite can be abtained by using vinyl acetate and acrylate as raw materials and hydroxy methyl acrylamide as self - cross linking monomer.
以醋酸乙烯酯和丙烯酸丁酯为主要原料,引入自交联型单体羟甲基丙烯酸胺合成了纸张——铝箔复合膜粘合剂。
Step II: Ganciclovir with a protected 2-amino group and one aliphatic hydroxy group protected is subjected to de-protection of the amino group.
第二步:2-氨基和一个脂链羟基被保护的更昔洛韦要脱除氨基保护。
Step II: Ganciclovir with a protected 2-amino group and one aliphatic hydroxy group protected is subjected to de-protection of the amino group.
第二步:2-氨基和一个脂链羟基被保护的更昔洛韦要脱除氨基保护。
应用推荐